Settings

Open the settings with Ctrl+.. Every change applies to the next calculation and is saved in settings.json in the app's config directory. Restore defaults resets all of them. The Key column is the name in settings.json and in the engine API.

General

Setting	Key	Values	Default
Mode	mode	physics, algebra, imaginary, analysis	physics
Language	language	en, de	en
Precision	precision	1 to 10,000 significant digits	50

Mode decides how letters are read, see Concepts. Language changes the interface, the menu and the texts the engine writes itself (the analysis working). The parser and algebra messages are English only.

Working

Setting	Key	Values	Default
Step detail	stepDetail	none, brief, standard, detailed, maximal	standard
Strike out cancelled factors	cancelMarks	on / off	on

Step detail	What is shown
None	Only the result, the step list is hidden.
Brief	One step per rule.
Standard	What you would write in your notebook: the line that shows the idea of each rule.
Detailed	Every intermediate line: the formula with the values put in, the factor written out before it is cancelled.
Maximal	Also the bookkeeping: signs, the order of terms, domain notes, plain arithmetic.

Each level contains every step of the levels before it. With Strike out cancelled factors off, a cancelled factor is shown in colour instead. See Working and output.

How results are written

Setting	Key	Values	Default
Binomial formulas	binomialForm	auto, expanded, binomial	auto
Completing the square	completeSquare	on / off	on
Denominator	denominatorForm	auto, expanded, factored	auto
Identities with a condition	conditionalIdentities	withCondition, alwaysValid	withCondition
Exact as a root	exactRoots	on / off	off
Quadratic equations	quadraticFormula	auto, pq, abc	auto

Examples in Algebra mode:

Setting	Input	Result
Binomial formulas Automatic	x^2 + 2x + 1	$(x + 1)^{2}$
Binomial formulas Automatic	(x+1)^2	$x^{2} + 2x + 1$ (the input already was a binomial)
Binomial formulas Expanded	x^2 + 2x + 1	$x^{2} + 2x + 1$
Binomial formulas As binomial	(x+1)^2	$(x + 1)^{2}$
Completing the square on	x^2 + 8x + 11	$(x + 4)^{2} - 5$
Completing the square off	x^2 + 8x + 11	$x^{2} + 8x + 11$
Denominator Automatic	\frac{1}{x^2+3x+2}	$\frac{1}{(x + 1)(x + 2)}$
Denominator Automatic	\frac{1}{2x+4}	$\frac{1}{2x + 4}$
Denominator Factored	\frac{1}{2x+4}	$\frac{1}{2(x + 2)}$
Identities With condition	\sqrt{a}\sqrt{b}	$\sqrt{a \cdot b}$ for $a \geq 0$, $b \geq 0$
Identities Only always valid	\sqrt{a}\sqrt{b}	$\sqrt{a} \cdot \sqrt{b}$
Exact as a root on	\sqrt{12}	$2\sqrt{3}$ instead of $3{,}4641\ldots$

Quadratic equations chooses the formula in the analysis working: Automatic is the pq formula in German and the quadratic (abc) formula in English.

Input

Setting	Key	Default	When on
a and y as variables	aAndYAsVariables	on	a and y are variables; off: the unit year
Letter runs as a product	letterProducts	on	2ab is read as $2 \cdot a \cdot b$
t, u and in as units	extraUnitLetters	off	tonne, atomic mass unit and inch instead of variables